Waste Water Engineering The self-cleansing velocity of water flowing through pipe lines, is 1 metre/sec 0.5 metre/sec 0.25 metre/sec 2 metres/sec 1 metre/sec 0.5 metre/sec 0.25 metre/sec 2 metres/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To maintain aerobic biological activity, the moisture content of the compost mass should be about 0.6 0.5 0.45 0.55 0.6 0.5 0.45 0.55 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the discharge of a sewer running half is 628 1.p.s., i = 0.001, and n = 0.010, the diameter of the sewer, is 1.49 m 1.69 m 1.39 m 1.59 m 1.49 m 1.69 m 1.39 m 1.59 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In Chezy’s formula V = C rs for calculating the velocity of flow in circular sewer of diameter running full, the value of hydraulic mean radius is D/4 D/3 D/1 D/2 D/4 D/3 D/1 D/2 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is None of these 250 ppm 200 ppm 225 ppm None of these 250 ppm 200 ppm 225 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following gases is most significant as air pollutant? Sulphur-dioxide Carbondioxide Oxygen Nitrogen Sulphur-dioxide Carbondioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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